People · Operator
Named in public records as an officer, director or promoter · active 2009–2018 · Retailing, Other Technology, AI / ML, Software / Tech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Second Rotation Inc | — | Retailing | Series B | $43.2M | $53.6M | 2010 |
| Novomer Inc | — | Other Technology | Series B | $33.0M | $456.8M | 2009 |
| EnergyHub, Inc. | — | Other Technology | Series B | $25.7M | $15.2M | 2010 |
| SWIM.AI, Inc. | — | AI / ML | Series B | $18.4M | $729.9M | 2018 |
| WaterSmart Software, Inc. | — | Software / Tech | Series A | $17.2M | $59.6M | 2012 |
| Staq Energy, Inc. | — | Other Technology | Series A | $10.0M | $277.4M | 2016 |
Andrew Williamson at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.
People named alongside Andrew Williamson on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Liam Donohue | 1 | 12 |
| Carl Weissman | 1 | 8 |
| Michael Tyrrell | 1 | 8 |
| VEERY MAXWELL | 1 | 7 |
| Steve Westly | 1 | 7 |
| THOMAS KENNEDY | 1 | 5 |
| William Rosenzweig | 1 | 5 |
| Gary Kremen | 1 | 4 |
| Henry Vogel | 1 | 4 |
| Michael Ahearn | 1 | 4 |
| Christopher Sullivan | 1 | 3 |
| Ramana Jonnala | 1 | 3 |
| Alexander Ellis III | 1 | 3 |
| Mark Masur | 1 | 3 |
| Robert Pangborn | 1 | 3 |
| David Brewster | 1 | 3 |
| Ashton Peery | 1 | 2 |
| David Asarnow | 1 | 2 |
| Will Rosenzweig | 1 | 2 |
| Israel Ganot | 1 | 2 |
People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.